/* ============================================================
   Arqrustica — Componentes compartilhados
   ============================================================ */

/* ── Navbar ──────────────────────────────────────────────── */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: var(--color-brown);
  border-bottom: 1px solid rgba(249,241,232,0.08);
  transition: box-shadow var(--transition-base);
  overflow: visible;
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(20,10,5,0.25);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-8);
  max-width: var(--container-max);
  margin: 0 auto;
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.navbar__brand-icon {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.navbar__brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.2;
}

.navbar__logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-cream);
  line-height: 1;
}

.navbar__sub {
  font-size: 0.5625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #8a9b74;
  margin-top: 3px;
}

.navbar__links {
  display: flex;
  gap: var(--space-8);
}

.navbar__link {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cream);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #8a9b74;
  transition: width var(--transition-base);
}

.navbar__link:hover,
.navbar__link.active {
  opacity: 1;
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

.navbar__cta {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  border: 1px solid #586446;
  color: var(--color-cream);
  background: #586446;
  border-radius: 2px;
  white-space: nowrap;
  line-height: 1.5;
  transition: all 250ms ease;
}

.navbar__cta:hover {
  background: #6b7d56;
  border-color: #6b7d56;
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-cream);
  opacity: 0.7;
  transition: var(--transition-base);
}

/* Menu mobile — escondido por padrão */
.navbar__mobile-menu {
  display: none;
  position: fixed;        /* ← trocar de absolute para fixed */
  top: var(--navbar-h, 72px);
  left: 0;
  right: 0;
  background: var(--color-brown);
  border-top: 1px solid rgba(249,241,232,0.1);
  padding: 1.5rem 1.25rem;
  flex-direction: column;
  gap: 1.25rem;
  z-index: calc(var(--z-nav) + 1);
}

.navbar__mobile-menu.open {
  display: flex;
}

.navbar__mobile-menu .navbar__link {
  font-size: 0.8125rem;
  opacity: 0.75;
}

.navbar__mobile-menu .navbar__link:hover {
  opacity: 1;
}

.navbar__mobile-cta {
  margin-top: 0.25rem;
  padding: 0.625rem 1rem;
  background: #586446;
  border-radius: 2px;
  color: var(--color-cream);
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 250ms ease;
}

.navbar__mobile-cta:hover {
  background: #6b7d56;
}

/* ── Project Card ─────────────────────────────────────────── */

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: block;
}

.project-card__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform var(--transition-slow);
  background: var(--color-cream-dark);
}

.project-card:hover .project-card__img {
  transform: scale(1.04);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(66,43,28,0.80) 0%, transparent 60%);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.project-card__category {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-cream-dark);
  opacity: 0.85;
  margin-bottom: var(--space-1);
}

.project-card__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-cream);
  line-height: 1.25;
}

.project-card__location {
  font-size: var(--text-xs);
  color: var(--color-cream-dark);
  opacity: 0.7;
  margin-top: var(--space-1);
}

.project-card__placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--color-cream-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Blog Card ────────────────────────────────────────────── */

.blog-card {
  border-top: 1px solid var(--color-green);
  padding-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.blog-card__date {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-green);
  opacity: 0.8;
}

.blog-card__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-brown);
  line-height: 1.35;
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card__title {
  color: var(--color-green);
}

.blog-card__excerpt {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-brown-light);
}

.blog-card__read {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-green);
  border-bottom: 1px solid var(--color-green);
  padding-bottom: 2px;
  display: inline-block;
  margin-top: auto;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.blog-card:hover .blog-card__read {
  color: var(--color-brown);
  border-bottom-color: var(--color-brown);
}

/* ── Footer ──────────────────────────────────────────────── */

.footer {
  background: var(--color-brown);
  color: var(--color-cream);
  padding: var(--space-16) var(--space-8) var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-16);
  max-width: var(--container-max);
  margin: 0 auto var(--space-12);
}

.footer__logo {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-cream);
  margin-bottom: var(--space-1);
}

.footer__logo img {
  width: 120px;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 45px;
}

.footer__sub {
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #8a9b74;
  margin-bottom: var(--space-5);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-cream-dark);
  opacity: 0.65;
  line-height: 1.8;
}

.footer__col-title {
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #8a9b74;
  margin-bottom: var(--space-5);
}

.footer__link {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-cream-dark);
  opacity: 0.7;
  margin-bottom: var(--space-3);
  transition: opacity var(--transition-fast);
}

.footer__link:hover { opacity: 1; }

.footer__bottom {
  border-top: 1px solid rgba(249,241,232,0.12);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-cream-dark);
  opacity: 0.4;
}

.footer__cau {
  font-size: var(--text-xs);
  color: #8a9b74;
}

/* ── Category Filter ─────────────────────────────────────── */

.filter-bar {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filter-btn {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-cream-dark);
  border-radius: var(--radius-sm);
  color: var(--color-brown-light);
  background: transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-green);
  color: var(--color-green);
}

.filter-btn.active {
  background: var(--color-brown);
  color: var(--color-cream);
  border-color: var(--color-brown);
}

/* ── Loading Skeleton ─────────────────────────────────────── */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-cream-dark) 25%,
    var(--color-cream) 50%,
    var(--color-cream-dark) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.4s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Responsividade — único breakpoint mobile ────────────── */

@media (max-width: 900px) {
  /* Navbar */
  .navbar__links,
  .navbar__cta {
    display: none !important;
  }

  .navbar__hamburger {
    display: flex;
  }

  .navbar__inner {
    padding: var(--space-5) var(--space-5);
  }

  .navbar__brand-icon {
    height: 40px;
  }

  .navbar__logo {
    font-size: 1.25rem;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}